Home / 211,460-288,022

Finding the Third Proportional to 211,460 and 288,022

Calculator

Solution

The third proportional to 211,460 and 288,022 is: 392,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,460 : 288,022 = 288,022 : x
  2. Step 2: Convert to fraction form
    211,460/288,022 = 288,022/x
  3. Step 3: Cross multiply
    211,460x = 288,022 × 288,022
  4. Step 4: Simplify right side
    211,460x = 82,956,672,484
  5. Step 5: Solve for x
    x = 82,956,672,484/211,460
  6. Step 6: Final answer
    x = 392,304.32

Related Problems

Find third proportional to 105,730 and 144,011
Half scale
Find third proportional to 422,920 and 576,044
Double scale
Find third proportional to 211,462 and 288,025
Similar ratio
Find third proportional to 317,190 and 432,033
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.